v3.26.1
Financial Instruments and Fair Value Measurements - Schedule of Fair Value of Assets and Liabilities Measured on a Recurring Basis (Details) - USD ($)
$ in Millions
Jun. 30, 2026
Dec. 31, 2025
Assets:    
Equity securities $ 0.3 $ 10.5
Total assets, fair value 0.3 10.5
Liabilities:    
Deferred compensation liabilities 18.7 21.7
Contingent consideration liabilities 54.7 54.8
Total liabilities, fair value 73.4 76.5
Level 1    
Assets:    
Equity securities 0.3 10.5
Total assets, fair value 0.3 10.5
Liabilities:    
Deferred compensation liabilities 0.0 0.0
Contingent consideration liabilities 0.0 0.0
Total liabilities, fair value 0.0 0.0
Level 2    
Assets:    
Equity securities 0.0 0.0
Total assets, fair value 0.0 0.0
Liabilities:    
Deferred compensation liabilities 18.7 21.7
Contingent consideration liabilities 0.0 0.0
Total liabilities, fair value 18.7 21.7
Level 3    
Assets:    
Equity securities 0.0 0.0
Total assets, fair value 0.0 0.0
Liabilities:    
Deferred compensation liabilities 0.0 0.0
Contingent consideration liabilities 54.7 54.8
Total liabilities, fair value $ 54.7 $ 54.8